/**
 * Created on 2017/01/21.
 */

function prefixInteger(num, length)
{
    // 仅限于数字
    // prefixInteger(10, 4)  - > "0010"

    return (num / Math.pow(10, length)).toFixed(length).substr(2);
}

function prefixInteger(str, length)
{
    // 可传任何类型数据
    // prefixInteger("abc", 6) - > "000abc"

    return Array(length + 1).join("0").split("").concat(String(str).split("")).slice(-length).join("");
}

function isEmptyObject(e)
{
    var t;
    for (t in e)
        return !1;
    return !0
}

function browerPlatform()
{
    var ua = navigator.userAgent;
    var ipad = ua.match(/(iPad).*OS\s([\d_]+)/),
        isIphone = !ipad && ua.match(/(iPhone\sOS)\s([\d_]+)/),
        isAndroid = ua.match(/(Android)\s+([\d.]+)/),
        isMobile = isIphone || isAndroid;

    return {
        isIphone: isIphone,
        isAndroid: isAndroid,
        isMobile: isMobile
    }

    /*
     if(isMobile) {
     location.href = 'http://m.domain.com';
     }else{
     location.href = 'http://www.domain.com';
     ｝
     //或者单独判断iphone或android
     if(isIphone){
     //code
     else if(isAndroid){
     //code
     }else{
     //code
     }
     */
}